Fig. 2From: Predictive ability of pharyngeal inlet angle for the occurrence of postoperative dysphagia after occipitocervical fusionScatter diagrams between the changes in pre- and postoperative radiographic parameters and the presence of dysphagia. dO-EAa (R2 = 0.317) and dPIA (R2 = 0.306) had a superior correlation with postoperative dysphagia compared with dnPAS%, dO-C2a and dC2-7aBack to article page